Podcast
Questions and Answers
What does it mean if a substance turns litmus blue?
What does it mean if a substance turns litmus blue?
- It is a substance that tastes sour.
- It is a base with a pH greater than 7. (correct)
- It is an acid with a pH less than 7.
- It is neutral with a pH of 7.
Which of the following items is classified as neutral?
Which of the following items is classified as neutral?
- Soap
- Bleach
- Tomato (correct)
- Lemon
What characteristic is indicative of an acid?
What characteristic is indicative of an acid?
- It has no particular taste.
- It turns litmus blue.
- It tastes sour. (correct)
- It has a pH level of 7.
If a substance does not change the color of litmus paper, it is classified as which of the following?
If a substance does not change the color of litmus paper, it is classified as which of the following?
Which item below is an example of a base?
Which item below is an example of a base?
Flashcards
Acid pH
Acid pH
A substance with pH greater than 7, turns litmus paper red.
Base pH
Base pH
A substance with pH less than 7, turns litmus paper blue.
Neutral pH
Neutral pH
A substance with pH of 7, does not change colour of litmus paper.
Litmus test
Litmus test
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pH scale
pH scale
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